Viadrus GRAND G 36, Manual For Operation And Installation

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10. Maintenance
All interventions can only be done by a contractual service organization trained by the manufacturer.
1. Close the gas supply to the boiler.
2. Disconnect the burner from gas supply.
3. Disconnect thermostats conductors (for SIT version).
4. Disassemble the burner plate from the boiler body (4 pcs of M8 nuts).
5. Take off the burner from the burning space.
6. Take off the top part of the casing and thermal insulation.
7. Unscrew the cover of the draft damper.
8. Check the boiler convection area contamination and clean it by chemical way:
- Spray the convection area by chemical agent (e.g. by METANO THERM).
- Pour from the above diluted detergent to all vent holes of the convection area.
- Let the detergent effect for about 10 minutes.
- Spray the convection area by smaller water overpressure.
- Spray by bigger water overpressure repeatedly and finish cleaning of the surfaces.
- Remove contaminants thoroughly from the burner space.
9. Check burner tubes whether they are clogged. In a case of their contamination:
- Release the safety piece of rods from the burner tubes. It is connected by M 5 nut to the back cover
of the burner tube.
- Take off the rods from the rods holders.
- Clean the burner tubes perforation lightly by steel brush.
- Remove dust by air overpressure through the diffuser, respectively, clean it by the vacuum cleaner.
- Re-assemble the rods.
10. Re-assemble the whole burner back at its place.
11. Re-assemble the cover of draft damper, the insulation and the top part of the casing.
12. Open the gas inlet and switch the boiler on.
13. Check the tightness of the gas inlet to burner.
14. Set the boiler and check the set values of the output power (according to Chapter no. 7).
11. Instructions for disposal of product after its service life expiration
VIADRUS a.s. is contractual partner of firm EKO – KOM a.s. with client number F00120649.
The packages comply with EN 13427.
Because the product is manufactured of common materials we recommend to dispose them in the ways as
follows:
−
the exchanger (grey cast-iron) through a firm dealing with waste collection and disposal;
−
piping, shell - through a firm dealing with waste collection and disposal;
−
other metal parts - through a firm dealing with waste collection and disposal;
−
gas fitting, breather - through a firm dealing with waste collection and disposal as the non-ferrous metal;
−
ROTAFLEX insulation material - into the common waste.
We recommend to dispose the packages in the following way:
-
plastic foil, cardboard cover, use a salvage point
- metal strapping tape, use a salvage point
- wooden base, is designated for a single usage and no longer can be used as a product. Its disposal is
subject to Act. 477/ 2001 Sb. a 185/2001 Coll.as amended.
In case that the product has lost its serviceability you can take advantage of product “take back
service” (if this is established); in case that the originator has declared that it is a scrap it must be
handled according to the valid legislation of relevant country.